On Mon, 20 Sep 2010, Ausmus, Matt wrote: > To: CentOS mailing list <centos at centos.org> > From: "Ausmus, Matt" <mausmus at chapman.edu> > Subject: Re: [CentOS] iptables > > When I was first learning iptables, I found "Rusty's Remarkably > Unreliable Guides" to be an excellent resource on how iptables works. > He covers each part of iptables and does it in a clear and easy to > understand manner. If I remember correctly, the guides are also > entertaining. > > http://people.netfilter.org/~rusty/unreliable-guides/ > > I personally don't like any of the GUIs out there. I find them to be > way to constricting compared to the sheer power and flexibility of > iptables. You're better off going through the guide and googling and > then just writing your rules in a text editor. Yes, I agree. I have my own iptables rules in a bash shell script to replace the RH ones at boot time. I also found Rusty's tutorials entertaining, and easy to understand. Plus there's the man page, 'pinfo iptables' that is quite concise. Here's a nice description of CIDR address notation. http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing Kind Regards, Keith ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------